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c03fe73176
Summary: The parallelLevel counter must be on per-thread basis to fully support L2+ parallelism, otherwise we may end up with undefined behavior. Introduce the parallelLevel on per-warp basis using shared memory. It allows to avoid the problems with the synchronization and allows fully support L2+ parallelism in SPMD mode with no runtime. Reviewers: gtbercea, grokos Subscribers: guansong, jdoerfert, caomhin, kkwli0, openmp-commits Tags: #openmp Differential Revision: https://reviews.llvm.org/D60918 llvm-svn: 359341
The LLVM Compiler Infrastructure
This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.